reglib: properly ident code on reglib_is_valid_rd()

Just a missing tab. No functional changes.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
diff --git a/reglib.c b/reglib.c
index e00e9b8..4dee401 100644
--- a/reglib.c
+++ b/reglib.c
@@ -443,7 +443,7 @@
 	for (i = 0; i < rd->n_reg_rules; i++) {
 		reg_rule = &rd->reg_rules[i];
 		if (!is_valid_reg_rule(reg_rule))
-		return 0;
+			return 0;
 	}
 	return 1;
 }